[PATCH 1/2 v4] initramfs: don't include filenames from the initramfs for make goals (dist)clean

[Alexander Holler <holler@ahsoftware.de>]

Various unusual filenames might break the make process when they are included
as dependencies (e.g. filenames with a colon).

This has the disadvantage that not even a make (dist)clean does work afterwards.
What makes the matter worse is that git clean -df doesn't remove such a possible
broken dependency list too.

Avoid that by not including this dependency list for make goals (dist)clean.

Signed-off-by: Alexander Holler <holler@ahsoftware.de>
Cc: <stable@vger.kernel.org>
---

 Changes to v3: none

 usr/Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/usr/Makefile b/usr/Makefile
index e767f01..5d5b6aa 100644
--- a/usr/Makefile
+++ b/usr/Makefile
@@ -49,9 +49,11 @@ ramfs-args  := \
 # in initramfs and to detect if any files are added/removed.
 # Removed files are identified by directory timestamp being updated
 # The dependency list is generated by gen_initramfs.sh -l
+ifndef clean
 ifneq ($(wildcard $(obj)/.initramfs_data.cpio.d),)
 	include $(obj)/.initramfs_data.cpio.d
 endif
+endif
 
 quiet_cmd_initfs = GEN     $@
       cmd_initfs = $(initramfs) -o $@ $(ramfs-args) $(ramfs-input)
-- 
1.8.3.1